This event is no longer active — it's kept here as a record. Recovery may still be underway; the guidance below applies.
Part of: Northampton County Area Flooding — July 2026 →
Flash Flood Warning issued July 28 at 11:38PM EDT until July 29 at 2:45AM EDT by NWS Binghamton NY
This is a severe-significance flash flood warning event affecting Delaware, NY; Sullivan, NY; Wayne, PA, tracked from official feeds (NOAA / National Weather Service). We update this page as the situation develops.
- Type
- Flash Flood Warning
- Extent
- ≈ 227,114 acres
- Began
- To end
Affected by this event? Open your area's damage guides below to reach a vetted local restoration pro, 24/7.
Affected area map
The shaded area is the affected-area perimeter reported for this event by NOAA / National Weather Service (Delaware, NY; Sullivan, NY; Wayne, PA), colored by hazard type. Pan and zoom to explore the map; when more than one observation exists, use the slider below to step through how the reported area changed.
Interactive affected-area map
Delaware, NY; Sullivan, NY; Wayne, PA · ≈ 360 sq mi reported extent · Enable JavaScript to explore the map.
Shown as reported by our sources — not an official product. For current advisories and the authoritative map, see NOAA / National Weather Service ↗.
Restoration help near this event
Tap your city for a vetted local pro on that service, answered 24/7. Where we don't have a nearby city page yet, the step-by-step guides cover what to do first.
Water damage restoration
What to do now
Mold remediation
What to do now
Latest updates
Official updates and news coverage for this event, newest first — National Weather Service products, local storm reports, incident updates and press headlines. Official items are verbatim government text; news headlines link out to the original outlet.
- News CBS News
Tornado watch canceled, but flash flood warnings in effect as severe storms hit Philadelphia region
- News Syracuse.com
Flood warning affecting Delaware and Sullivan counties until early Wednesday morning
- Storm report NWS PHI storm report
FLASH FLOOD — 2 WNW Schooleys Mountai, NJ
NJ DOT - STMC: Flooding on NJ 57 Both Directions West of Stephensburg Rd (Mansfield Twp), All lanes closed eastbound; All lanes closed westbound. Time given in report.
- Bulletin NWS Binghamton NY
Flash Flood Warning issued
Delaware, NY; Sullivan, NY; Wayne, PA
Show 6 earlier updates
- WFMZ.com News
Flooding, tornado warnings, and submerged cars: Storms slam Lehigh Valley on Tuesday
- NWS OKX storm report Storm report
- NWS OKX storm report Storm report
- NWS BGM storm report Storm report
- LehighValleyLive.com News
Thunderstorms, flooding threat in Lehigh Valley forecast (UPDATE)
- The News Journal News
Severe storms could bring damaging winds, flooding to PA, NJ, Delaware
Updates are captured automatically from official and news sources, and may lag the live source. For the very latest, see NOAA / National Weather Service ↗.